I sometimes find myself tweaking down in the 5 through 18 ms range and keep needing finer increments other than 1ms down in that range. Normally I do not use the predelay control on Pristine Space for anything over 60 or so ms. I believe increments of 0.1ms would be sufficient for what I am needing to do.

Could this be an easy addition, or do I just need to continue to load a delay that has the fine adjustment capability?

This can really make a huge difference in the perceived overall tonal response and sound of an instrument that has a send going to convolution and you are using a lot of the convolution percentage wise, ie. deeper into the hall but still using significant amounts of the original signal.